Mazda 6 2002 Workshop Manual page 1029

LCD Inspection
1. With audio on, first press the POWER button, then simultaneously press the SEEK button (upper) for
approimately 1 second.
2. Inspect the LCD according to the following table:
Inspection
Start LCD inspection
mode.
3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
Button Inspection
1. With audio on, first press the POWER button, then simultaneously press the TAPE/MD button for
approimately 1 second.
2. Inspect the button according to the following table:
Inspection
• Start button inspection mode.
• Press the all buttons.
3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
Speaker Inspection
1. With audio on, first press the POWER button, then simultaneously press the AUTO-M button for
approimately 1 second.
2. Inspect the speaker according to the following table:
Inspection
• Start speaker inspection mode.
• Does each speaker output sound in the
following order?
1. Left front door speaker and tweeter
2. Right front door speaker and tweeter
3. Right rear door speaker and woofer
4. Left rear rear door speaker and woofer
3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
Radio Reception Condition Inspection
1. With audio on and at radio mode, first press the POWER button, then simultaneously press the preset button
“2” for approimately 1 second.
2. Inspect the radio reception condition according to the following table:
Inspection
Start radio reception
condition inspection mode.
3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
ON-BOARD DIAGNOSTIC [AUDIO]
Display
Display
—
Display
—
Display
Action
Characters displayed in LCD
are not truncated or faint.
Other than above.
Action
Buzzer sounds.
Buzzer does not sound.
Action
Speakers and wiring harness between base
Yes
unit and speakers are okay.
Inspect the following parts.
• Malfunctioning speaker
No
• Wiring harness between base unit and
malfunctioning speaker
Action
Antenna, antenna feeder, and base unit are okay.
Change frequency (channel) and inspect again.
Inspect antenna and antenna feeder.
• If either one of them is not okay, replace malfunctioning
part.
• If both are okay, replace base unit.
LCD is okay.
Replace base unit.
Button is okay.
Replace base unit.
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